489516017 has 2 divisors, whose sum is σ = 489516018. Its totient is φ = 489516016.

The previous prime is 489515987. The next prime is 489516059. The reversal of 489516017 is 710615984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 456292321 + 33223696 = 21361^2 + 5764^2 .

It is a cyclic number.

It is not a de Polignac number, because 489516017 - 2²² = 485321713 is a prime.

It is not a weakly prime, because it can be changed into another prime (489516617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244758008 + 244758009.

It is an arithmetic number, because the mean of its divisors is an integer number (244758009).

Almost surely, 2^489516017 is an apocalyptic number.

It is an amenable number.

489516017 is a deficient number, since it is larger than the sum of its proper divisors (1).

489516017 is an equidigital number, since it uses as much as digits as its factorization.

489516017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 489516017 is about 22125.0088587553. The cubic root of 489516017 is about 788.1138666009.

The spelling of 489516017 in words is "four hundred eighty-nine million, five hundred sixteen thousand, seventeen".